WARNING : While installing mods of steps 4 and 5, you will have to replace dlclist.xml or to add lines in this file.
Whatever your choice of installation, you must have the two lines below at the end of your dlclist.xml. Editing by using OpenIV (GTAV/update/update.rpf/common/data/)
dlcpacks:\custom_maps\dlcpacks:\mapbuilder\
After adding these two lines, don't forget to save and replace dlclist.xml in your game, with OpenIV.

6 - Put the "objectlist" from my mod to your script folder, and replace. In this one, there is every objects of mods of steps 4 and 5.

7 - In game, press F7 and click on load map as xml. Type "ile" and you are done.

If you have any problem with this mod, please leave me a comment, we will try to solve it as fast as possible.

If you use this mod, or take any video / photo with my mods, please provide a link to my profile works. Thank you !